Blower for water-tube boilers.



. T. S. WALLER &l E. B. BARNHILL.

BLOWER FOR WATER TUBE BOILERS.

APPLICATION Hmm ouT. zv, 1909. 969,316,` Patented Sept. 6, 1910. v 2 sHsB'rs-SHEE'T 1.

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,T. S. WALLER & El. B. BARNHILL.

BLOWER FORWATEB TUBE BOILERS. APPLIUATION FILED 001:. Z7, 1909. 969,316. y Patented sept. 6,1910.

2 SHEETS-SHEET 2.

smrns PATENT- OFFNE Yapparatus being shielded 'from'.

THOMAS s. WALLER Ann nnwann` B. BARNHILLQOF nETRoIr, MICHIGAN, AssIeNoRs .".D'O DIAMONL PQWSER SPECIALTY COMPANY, .e l aggiungi-TIP.

ritmi 969,316. l l

Application To all it concern: ,j Be it known that we, THOMAS S. VALLER,

a subject of King Edward VII; of Greatv Britain, and 'EDWARD B. BARNIIILL, a citizen'` of the UnitedStates ofAmerica, both' re-v .thereof that is especially adapted for clean.-

ing boilers of the -watertubeV type, provision being made for simultaneously blowing all of the tubes in the boiler in any one section without fear ofinjury t.) the operator, 'the heat Aexcept when in operation'.v l

lThe invention consists in the mat-ters hereinafter yset forth and more particularly pointedout in the appended claims.

Referring to the drawings, Figure 1 is a` View in frontelevation of a blower embodying features fof the invention together with the surrounding `portion otal furnace wall, the 'controlling handA wheels of the blower 'being omitted; Fig. 2 isa view in -side elevationof the' blower with parts invsection,A together withthe adjacent portions of a boiler; Fig. 3 is a View in transverse section on or about line of Fig. 2; Fig. 4 is' a View in transverse 'section showmg means for closing the fire doors; and Fig. 5Y isa view in detail of a portion 'of the blower.

In the drawings, lindicates the wall of .a boiler parallel to the water tubes `2 which are disposedin the usual staggered relationv in horizontal tiers. A substantially rectangular tcasing 3 isset inA a recess in the ma# 'sonry wall at right angles to-theplongitu- 'dial'axes of the tubes which as herein illus#v Atrated, `are disposed horizontally, aninner or contractedportion or throat et of the casing beingfthis'h withv the inner` f ace of' the wall-and the outer. part of the casing having flaring lside and end wings 5. An off-set' in "ach wall adjacent the throat is arranged to Y BLowERronWATER-TUBEBOILERS.

inea october 27, iaoal seritNo. 524,377.

receive doors 6- which close the casingl throat when the apparatus is 'notbeing use'df.- A11..

or DETROIT, MICHIGAN, A COPART- Speciiication ofLetters Ilatentl`- u Pateted Sept. 6 1910 pright tubular header 7 with inwardly jectmg jetpipes 8 spaced to alternate with the ywater tubes 2 is rotatably stepped .in a base 9 that' slides in a suitable guideway 10 formed .on the lower end wing of the casing.' The'header is 4retained in position by a ring screwthreaded in the base against an end langejl on the. header. '-A segmental worm gearlQ on the header is engaged byva worm 13 on al spindle 14 that is .journaled in an upright arm 15 of 'a dollar 16 that embraces the base '94 and is, held in .the peripheral 'groove of the base. The spindle'is jointed in any preferred manner as at 17 to fold 'upwardly and is provided with a h a'n'd4 wheel 18 foi-'manipulating the screw.

'The arm 15 of the collar conforms to and 4 partially; embraces the lower portion of the header "7.l A depending fork 19u`pon the outturned is in alinement with a yoke QO'that spansthe front of the casing 3. The ends of the yoke are pivota'lly secured as by'I boltsjl' through \'l11gs'22 on the casing'or are otherwise yarranged so that the yoke i'iay be folded up -wardly against the-casing. .An i'nteriorly screwthreaded bushing `is cswiveledbetween pint-le bolts 24 m an aperture in' thel yoke in-:a-linemen-t withthefork 19.-.and screwthreaded. shaft '25V passes through .this bushing. The inner 'end '26 of the shaft is enlarged 'or' otherwise arranged tole'ngage the fork 19 when the oke isdown turned and to clear the .fork w ien the yoke istilted up', the arms of the fork having an outward radius of curvature whose 'center is coinci- Vdentrwith the center of'motion of the yoke.- VThe shaft 25 is turned by ahand wheell 27.' ,SteamE connectionT with the base -is made through a sliding joint of. construction indicated 1t-Q8, the outer mem'- ber haringen elbow 29 for receiving a pipe.

The lower portion ofthe' throat 4 ofthe casing is enlarged to clear thebase and the latter hasa shield 3001i its inner end which closes the opening in the vcs tsing'when the apparatus is not in use. Inwardly project-y ing-,earsl on `theshield 30 are adapted to engage stops 32 onthefdoors 6 and draw them vinto closed '-.mov'ed outwardly.

any preferred position .when the' shieldj is upper portion of the -arm 15 vIn equipping a boiler with a blower the casing is set 1n the wall with the header substantially at right anvles to the plane of the water tubes and wit vthe jet nozzles in staggered relation to the outer tiers of tubes. The casing is proportioned so as to stand ih a recess in a furnace Wall which houses the upturned yoke and operating handles when the device' isnot in use, the header standing.

outside the closed doors and therefore bemg shieldedv from the boilerifire. When it isdesired to clean the tubes the yoke is dropped and the header moved in throughl out danger o'r even inconvenience to the operator and the apparatus is thoroughly shielded from heat and owing to its simplicity is readily maintained in operative condition.

Obviously, changes in the details of construction may be made Without departing from thespirit of the invention and we donot limit ourselves to any particular form or arrangement of parts.

What we claim as our invention is:

1. The combination of the tubesand Wallof a boiler, said wall having a recess therein opening through the inner face of the wall, of a blower comprising a header in said recess adapted to be moved toward and from said tubes, and means adapted to be closed between the header and tubes when the header is moved from the tubes into the recess.

2. The combination of a wall. of a boiler setting having a recess therein opening through the inner side of the Wall, a header adapted to be projected from the recess and retracted into the same, and means' adapted to be moved across the recess to close the same' when the header is retracted.V K A 3. The combination of a Wall of a boiler setting having a recess therein opening through the inner side of the Wall, a header adapted to be projected from and retracted into the recess, and a member pivotally supported at one side of the recess and ada ted to be turned across the inner open end o the same when the header is retracted.

4. The combination of a Wall of a boiler setting having a recess therein opening` through the inner side of the wall, a header reciprocable Within the recess, and a member adapted to close across the recess operated by the reciprocation of the header.

5. The combination offa Wall of a boiler setting having a recess therein opening through the inner side o'the wall, a door to olose the opening into the 'recess at the inner side of the wall, a header within the recess adapted to be reciprocated to project the same through the opening in the inner. side of the 'Wal/l and retract the same into the recess, said oor being adapted to be closed to close e recess when the header is retracted, and means for reciprocating the header.

6. The combination of a Wall of a boiler setting having a recess extending through the Wall and provided with a throat opening through the inner face of the Wall, an u Wardly extending header movable within the recess and adapted to be projected through the throat, a door pivotally supported within the throat and adapted to be turned to close thesame when the header'is retracted into the recess, and means for operating the header extending outward in the recess.

7 The combination of a wall of a boiler sett-ing having a recess therein formed with a throat opening at its inner end through. the inner face ot' the Wall, a header within the recess movable through the throat, and a. closure member pivotally supported Within the throat at one side thereof and at adistance from the inner end of the throat to turn laterally Within said throat across the' same'and close its inner end when the header is Withdrawn into the recess.

8. The combination of the tubes and wall of a boiler, of a casing set in the Wall opening through the outer side thereof and pro vided with a throat opening transversely to the tubes through the inner side of said Wall, a header movably supported in the housing transverse tothe tubes and provided With jet nozzles in spaced relation to the tubes, means for .moving the headerl through the throat toward the tubes, means for turning the header on its axis when rojected through the throat toward the tu s and members adapted to close the throat of the casing when the header is retracted.

9. The combination of the tubes and Wall, of a boiler with a substantially rectangular casing set in the Wall opening through outer l side thereof provided ywith a contracted throat transverse to the tubes opening through the inner side of said wall, a hollow base reciprocable in guides through -the lower end of the throat, a tubular header rotatably stepped in the base provided With 'jet nozzles in spaced relation to the boiler tubes,means secured to the casing and detachably connectedl to the baseor moving the 'base and .header through the throat, and means on the basel for turning the. header. 10.- The combination of the tubes and-walk :of a boiler, a substantially rectangular-.cuasi yoke spanning the with the ring arm side'of the wall transverse to the-tubes, a

hollow base reciprocable in guides through theV lower end of the throat, a tubular header rotatablystepped in the-base .provided with jet nozzles in spaced relation to the boiler tubes, means securedto the casing and detachably connected' to the base for mov'in'g the base and 'header through the throat, means on` the base for turningv the header, a shield on the base adapted to close the lower portion of the caslng-'When the'- base is retracted, and doors the throat of. retracted.

l1. The combination of thetubes and wall adapted to close the casing when the header'is of a boiler, with a substantially rectangular casingopening through the outer side of the wall with an inner'contracted throat 'opening through the inner side of the wall ad-A jacent and'transverse to the boiler tubes, a hollow base reciprocable ina guide Way at the lower end of the casing through the throat, a header rotatably stepped inthe base and-provided with nozzles in spaced relation to the boiler tubes, a ring on the base having an afm conformin to and supporting the header above the jase, a worm gear onfthe base, a worm and shaft jour.-' naled on the ring in mesh with the gear, a yoke-spanning 'the outer side lof the casing, a shaft having screw threaded engagement With the yoke and detachably interlocking at `its .inner end,- and h'and wheels for manipulating the'worm shaft and yoke shaft. p' l 12. The combination of the tubes-and. Wallv of a. boiler, of a 'substantially' rectangular .casing opening through theouter side of the wall with anv innervcontr'acted throat -opening through the inner .side'of the wall adjacent and transverse .to the boiler tubes, a vhollow base reciprocable .in a guideway 4'at the lower endyof the'l casing throughthe throatya header rotatably stepped in the basev and provided with nozzles .in spaced relation tothe .boiler tubes, a ring on the base having; an arm conformin toand supporting the -header above the ase, aworm gear on thebas'efa Worin and shaft journaled n the ring in mesh withgthe' gear, a outerside ofV the casing, a shaft having vscrewthreade'd engagement with-the yoke and detachably4 interlockin with the ring arm "atvits innerend, and hand Wheels for manipulating thejworm shaft and yoke shaft, said shafts and yoke being adapted to foldinto the casing.

13. The combination of the `tubes and Wall of a' boiler, of. a substantially. rectangular casingwith an innerv contracted throatad! jacentand transverse toA ther-boiler tubes,' a

provided with a con@ hollowbase reeiprocable-in a guideway at' 65 `thelower end of the casing through the throat, a header vrotatably stepped in the base and provided with jet nozzles in spaced relationtothe boiler tubes, a ringon the base having an arm conforming to and sup- 70 porting the header abovethe base, a worm gear onthe base, a worm and shaft journaledon the ring in mesh with the gear, a yoke spanning the outer side of the casing, a shaft having screwth'readed .with the yoke and detachably interlocking with the 'ring arm it its inner end, hand wheels for manipulating the worm shaft and yoke shaft, a shield on the-base adapted to Aclose the lower portion of the .the base is retracted, and doors adapted to be moved into closedy position across the casing throat by the base when the header and base areretracted.

v1,4. The combination of the .of a boiler, of a substantially rectangular casing having a contracted inner throat and outwardly'iaring Wings set in the Wall-.With `the throat transverse to the boilertubes, la

lbase reciprocable ona guidevvaythrough the: j lower 'end of the casing, provided With a telescoping joint steam connection, a tubular header rotatably stepped in the basev and.

A rovided with jet nozzles in space'd relation/ rlngl on the base proothe boiler tubes, a vided with. an -arm embracing and supporting theheader above `the base, a fork depending from the end'of the arm, a yoke spanning the outer face of the casing in lhmzontal alinement With'thevfo-rk, a shaft l00 ill] vieren-threaded engagement with the yokeywhoseA inner vend detachably interlocks With the fork,V a Worm .gear o'n the header, a Worm and'shaft journaledin. the ring in mesh with the gear, and hand Wheel worm and yoke shaft, sa'y shafjsand yoke being adapted to fold into the casing. 15. The combination of the tubes and Wall of al boiler, of la`substantially rectangular casing having a contracted inner throatand l upwardly flaring Wings vset in the Wall with the throat transverse -to the oiler tubes,V a 'base recipr'ocableon a guidevvay through 'the lower end of'the'caslng, provided with a telescoping joint steam lar header rotatably. stepped'in the base and provided with nozzles in spacedv relation to the boiler tubes, a ring onl the base provided with anarm embracing and' supporting the header` above the base, a forkl dependingl@ from the end ofthe arm, ayoke spanning the outer facev of the casing in horizontal alinernent withthe fork, agshaft in screw" hreaded' engagement .with the yoke .whose fork, a' wormgear l'on' the header,A "afwoiin and shaft journaled inlthe ringl-in'hinefsb. with, the gear, hand wheels for thev Vengagement 75 Acasing when 80 tubes and Wall' 85 'for turning. the 105 connection, a tubu, 115

WO'm, yoke Shaft, Saif shafts and yoke In t'estlnony Wheeof We afx our signabemg adapted to fold Into the casmg, a tures m pfese'nce of two Witnesses.

Shield on the innersideof the base adaptd THOMAS S. TALLER to close the lower part of the casing when EDVARDB. BARNHILL. the base is retracted, and doors for the cas- 1Witnesses:

ing throat adapted to be closed by the base J. A. KRESS,

when .the header and base are retracted. M. P. Lows. 

